S.H.I.E.L.D. is a counterterrorism and intelligence agency based in the Marvel Cinematic Universe run by Director Nick Fury in its first incarnation until its collapse in Captain America: The Winter Soldier when it was revealed by Captain America to be infiltrated by HYDRA and stopped Project Insight and destroyed the Triskelion which is S.H.I.E.L.D headquarters. Phil Coulson was made director by Fury and tasked with rebuilding the organization from scratch which he did, operating in the shadows. Also another faction of S.H.I.E.L.D lead by Robert Gonzales who didn't trust Coulson that survived the fall of S.H.I.E.L.D. They together merged in order too defeat HYDRA. After the war with HYDRA and defeat of Hive the leader of HYDRA and with HYDRA destroyed. S.H.I.E.L.D was once legitimized too the public, following the signing of the Sokovia Accords but under the new leadership of Jeffery Mace.